<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
   <div id="app">
    <ul>
        <li v-for="v in list ">{{ v }}</li>      
        <br>
        <button @click="change">走一走</button>
    </ul>
   </div>
    <script src="../vue.js"></script>
    <script>
        const app=new Vue({
            el:'#app',
            data:{
                list:[
                    '帅哥','美女','程序猿'
                ]
            },
            methods:{
                change(){
                    this.list.push(this.list.shift())
                }
            }

        })
    </script>
</body>
</html>